Individual holder
SOWINSKI RICHARD F
US·6 granted patents·131 citations·filing 1991–1993
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
6 records- 0170US5149343AMethod for filtering radon from a gas streamSOWINSKI RICHARD F·Filed 1991·Granted Sep 22, 1992·34 cites·15 claims
- 0264US5145494AMethod and means for filtering polychlorinated biphenyls from a gas streamSOWINSKI RICHARD F·Filed 1991·Granted Sep 8, 1992·28 cites·26 claims
- 0355US5141533AMethod for filtering benzene from a gas streamSOWINSKI RICHARD F·Filed 1991·Granted Aug 25, 1992·20 cites·15 claims
- 0454US5139542AMethod for filtering benzo-a-pyrene from a gas streamSOWINSKI RICHARD F·Filed 1991·Granted Aug 18, 1992·19 cites·15 claims
- 0550US5139543AMethod for filtering benz-a-anthracene from a gas streamSOWINSKI RICHARD F·Filed 1991·Granted Aug 18, 1992·16 cites·15 claims
- 0647US5354362AMethod for filtering odorant from a gas streamSOWINSKI RICHARD F·Filed 1993·Granted Oct 11, 1994·14 cites·20 claims
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